False-positive buprenorphine by CEDIA in patients prescribed amisulpride or sulpiride.


Buprenorphine is a potent partial opioid agonist that is analyzed in urine to (i) monitor adherence to maintenance or detoxification therapy and (ii) detect illicit use. Buprenorphine analysis is commonly conducted on urine by immunoassay, but is subject to cross-reactivity from other drugs/drug metabolites, including morphine, codeine and dihydrocodeine… (More)
DOI: 10.1093/jat/bkt016

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